page{
  width: 100%;
  height:100%;
}
.body{
  display: flex;
  flex-direction: column;
  width: 100%;
  height:100%;
}
.main{
  flex: 1;
  position: relative;
}
.main-scroll{
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}

.footer{
  color: #fff;
  line-height: 100rpx;
  flex: 0 0 100rpx; /* 不放大不缩小固定100rpx */
}
.footer_btn {
  width: 100% !important;
  background-color: rgb(249, 96, 14);
  color: white;
  font-size: 30rpx;
  letter-spacing: 5rpx;
}

.textarea {
  // margin-left: 20rpx;
  border-radius: 10rpx;
  padding-top: 15rpx;
  border: 1rpx solid rgb(143, 142, 142);
  padding-left: 20rpx;
  height: 300rpx;
  width:100%;
}